<!DOCTYPE html>
<html lang="zh_CN">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .head,.main,.tail{
            margin: 0 auto;
            margin-bottom: 20px;

        }
        .head{
            width: 1000px;
            height: 180px;
            background-color: aquamarine;
        }
        .main{
            width: 1000px;
            height: 500px;
            background-color: red;
        }
        .nav, .article,.aside{
            float: left;
            height: 100%;
        }
        .nav{
            width: 200px;
            background-color: bisque;
        }
        .article{
            width: 580px;
            background-color: yellow;
            margin:0 10px;
        }
        .aside{
            width: 200px;
            background-color: tomato;
        }
        .tail{
            width: 1000px;
            height: 150px;
            background-color: orange;
        }
    </style>
</head>
<body>
    <div class="head"></div>
    <div class="main">
        <div class="nav"></div>
        <div class="article"></div>
        <div class="aside"></div>
    </div>
    <div class="tail"></div>
</body>
</html>